tlmm: Add a function to dump the active wakelocks Change-Id: I05f4d477ff9e096efe8e0fcdb3a8d5d76c7028ac Signed-off-by: haojl2 <haojl2@motorola.com> Reviewed-on: https://gerrit.mot.com/1453711 SLTApproved: Slta Waiver SME-Granted: SME Approvals Granted Tested-by: Jira Key Reviewed-by: Jianqi Yang <yangj@motorola.com> Submit-Approved: Jira Key Reviewed-on: https://gerrit.mot.com/1509728 Reviewed-by: Wang Wang <wangwang1@lenovo.com>